CN215292687U - Oil leakage-proof oil cup with double-diaphragm structure - Google Patents
Oil leakage-proof oil cup with double-diaphragm structure Download PDFInfo
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- CN215292687U CN215292687U CN202120327932.2U CN202120327932U CN215292687U CN 215292687 U CN215292687 U CN 215292687U CN 202120327932 U CN202120327932 U CN 202120327932U CN 215292687 U CN215292687 U CN 215292687U
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- diaphragm
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- partition plate
- sealing
- oil cup
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Abstract
The utility model provides a two diaphragm structure oil cups of leak protection oil, includes the oil cup body and sets up the diaphragm room on this oil cup body, and this diaphragm room is provided with the sealed hole with the junction of this oil cup body, and this diaphragm room is provided with two diaphragm structures, and these two diaphragm structures include: the small diaphragm is arranged in the diaphragm chamber and corresponds to the sealing hole, and the small diaphragm is provided with a sealing position and an opening position relative to the sealing hole respectively; the sealing partition plate is connected with the outer wall of the diaphragm chamber and positioned on the outer side of the small diaphragm, and a through hole is formed in the sealing partition plate corresponding to the small diaphragm; the large diaphragm is arranged on one side of the sealing partition plate opposite to the small diaphragm and completely covers the through hole, and the large diaphragm, the sealing partition plate and the small diaphragm jointly enclose a closed space; and the diaphragm upper cover is connected with the sealing partition plate and seals the diaphragm chamber into an independent space together with the sealing partition plate, and the diaphragm upper cover is provided with an air inlet.
Description
Technical Field
The utility model relates to a two diaphragm structure oil cups, especially a two diaphragm structure oil cups of leak protection oil.
Background
In the oil cup with the double-diaphragm structure in the prior art, the sealing partition plate is provided with the atmospheric balance hole, if oil leaks, the oil can flow into an engine, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned defect of prior art, provide a two diaphragm structure oil cups of leak protection oil.
In order to achieve the above object, the utility model provides a two diaphragm structure oil cups of leak protection oil, be in including oil cup body and setting diaphragm room on the oil cup body, the diaphragm room with the junction of oil cup body is provided with sealed hole, the diaphragm room is provided with two diaphragm structures, wherein, two diaphragm structures include:
the small diaphragm is arranged in the diaphragm chamber and corresponds to the sealing hole, and the small diaphragm is provided with a sealing position and an opening position relative to the sealing hole respectively;
the sealing partition plate is connected with the outer wall of the diaphragm chamber and positioned on the outer side of the small diaphragm, and a through hole is formed in the sealing partition plate corresponding to the small diaphragm;
the large diaphragm is arranged on one side of the sealing partition plate opposite to the small diaphragm and completely covers the through hole, and the large diaphragm, the sealing partition plate and the small diaphragm jointly enclose a closed space; and
and the diaphragm upper cover is connected with the sealing partition plate and seals the diaphragm chamber into an independent space together with the sealing partition plate, and an air inlet is formed in the diaphragm upper cover.
The oil leakage prevention oil cup with the double-diaphragm structure is characterized in that the small diaphragm comprises a diaphragm body, an oil needle and a connecting piece, the oil needle is installed on the diaphragm body through the connecting piece, and the diameter of the diaphragm body is matched with the inner diameter of the diaphragm chamber.
The oil cup with the oil leakage prevention double-diaphragm structure further comprises a return spring, and the return spring is mounted on the oil needle.
In the oil cup with the oil leakage prevention double-diaphragm structure, the connecting piece is a rivet, and the rivet and the return spring are respectively located on two sides of the diaphragm body.
In the oil cup with the oil leakage prevention double-diaphragm structure, the central lines of the small diaphragm, the sealing partition plate, the large diaphragm and the upper cover of the diaphragm are positioned on the same straight line.
In the oil cup with the oil leakage prevention double-diaphragm structure, the sealing partition plate and the diaphragm upper cover are respectively provided with the connecting bosses, the connecting bosses are respectively provided with the connecting holes, and the connecting holes of the sealing partition plate and the connecting holes of the diaphragm upper cover are correspondingly arranged.
In the oil cup with the oil leakage prevention double-diaphragm structure, the outer wall of the diaphragm chamber is provided with the mounting boss corresponding to the connecting boss.
In the oil cup with the oil leakage prevention double-diaphragm structure, the diaphragm chamber and the oil cup body are integrated, and the diaphragm chamber is located on one side of the oil cup body.
In the oil cup with the oil leakage prevention double-diaphragm structure, the diaphragm upper cover and the sealing partition plate are mounted on the diaphragm chamber through the fixing screws, and the fixing screws penetrate through the connecting holes of the diaphragm upper cover and the connecting holes of the sealing partition plate to be connected with the mounting bosses.
In the oil cup with the oil leakage prevention double-diaphragm structure, the axis of the air inlet is perpendicular to the central line of the upper cover of the diaphragm.
The utility model has the beneficial effects that:
the utility model discloses cancelled the atmosphere balance hole on the sealed baffle of two diaphragm structure oil cups among the prior art, made and formed confined space between little diaphragm assembly and the big diaphragm. When the small membrane has oil leakage, the gasoline cannot leak out in the closed space, so that the safety problem caused by oil leakage can be avoided. When gas is introduced from the gas inlet, the gas pressure sequentially pushes against the large diaphragm and the small diaphragm, and finally the oil needle on the small diaphragm pushes against the oil cup for sealing. The space formed between the large diaphragm and the small diaphragm is closed, air is uniformly distributed, the small diaphragm is uniformly stressed when the small diaphragm is under pressure, the stress is larger, and the sealing performance that the oil needle props against the oil cup is stronger.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein the reference numerals
1 oil cup body
2 big diaphragm
3 small film
31 oil needle
32 diaphragm body
33 rivet
34 return spring
4 sealing partition plate
5 diaphragm upper cover
6 air inlet
7 set screw
8 diaphragm chamber
81 installation boss
Detailed Description
The invention will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:
referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present invention. The utility model discloses a two diaphragm structure oil cups of leak protection oil, be in including oil cup body 1 and setting diaphragm room 8 on the oil cup body 1, diaphragm room 8 with the junction of oil cup body 1 is provided with sealed hole, diaphragm room 8 is provided with two diaphragm structures, two diaphragm structures include: small diaphragms 3 arranged in said diaphragm chambers 8 and arranged in correspondence of said sealing holes, said small diaphragms 3 having a sealing position and an open position, respectively, with respect to said sealing holes; the sealing partition plate 4 is connected with the outer wall of the diaphragm chamber 8 and is positioned on the outer side of the small diaphragm 3, and a through hole is formed in the sealing partition plate 4 corresponding to the small diaphragm 3; the large diaphragm 2 is arranged on one side, opposite to the small diaphragm 3, of the sealing partition plate 4 and completely covers the through hole, and the large diaphragm 2, the sealing partition plate 4 and the small diaphragm 3 jointly enclose a closed space; and the membrane upper cover 5 is connected with the sealing partition plate 4 and seals the membrane chamber 8 into an independent space together with the sealing partition plate 4, an air inlet 6 is arranged on the membrane upper cover 5, and preferably, the axis of the air inlet 6 is vertical to the central line of the membrane upper cover 5.
In this embodiment, the small diaphragm 3 includes a diaphragm body 32, an oil needle 31 and a connecting member, the oil needle 31 is mounted on the diaphragm body 32 through the connecting member, and the diameter of the diaphragm body 32 is adapted to the inner diameter of the diaphragm chamber 8. The double-diaphragm structure further comprises a return spring 34 mounted on the oil needle 31. The connecting member is preferably a rivet 33, and the rivet 33 and the return spring 34 are respectively located at both sides of the diaphragm body 32. The central lines of the small diaphragm 3, the sealing partition plate 4, the large diaphragm 2 and the diaphragm upper cover 5 are positioned on the same straight line. A return spring 34, a small diaphragm 3, a sealing clapboard 4, a large diaphragm 2 and a diaphragm upper cover 5 can be sequentially arranged on the oil cup body 1 and finally locked by a fixing screw 7.
The diaphragm chamber 8 and the oil cup body 1 of the present embodiment are preferably a single piece, and the diaphragm chamber 8 is located on one side of the oil cup body 1. The sealing partition plate 4 and the membrane upper cover 5 are respectively provided with a connecting boss, the connecting bosses are respectively provided with a connecting hole, and the connecting hole of the sealing partition plate 4 and the connecting hole of the membrane upper cover 5 are correspondingly arranged. The outer wall of the diaphragm chamber 8 is provided with a mounting boss 81 corresponding to the connecting boss. The diaphragm upper cover 5 and the sealing partition plate 4 are installed on the diaphragm chamber 8 through fixing screws 7, the fixing screws 7 penetrate through the connecting holes of the diaphragm upper cover 5 and the connecting holes of the sealing partition plate 4 to be connected with the installation bosses 81, and the diaphragm upper cover 5 and the sealing partition plate 4 are fixed on the outer wall of the diaphragm chamber 8.
The utility model discloses cancelled the atmosphere balance hole on the sealed partition plate 4 among the prior art oil cup structure, made and formed confined space between little diaphragm 3 and the big diaphragm 2. When oil leakage occurs in the small membrane 3, gasoline cannot leak out in the closed space, and the problems of safety and the like caused by oil leakage can be avoided. When gas is introduced from the gas inlet 6, the gas pressure sequentially pushes against the diaphragm bodies 32 of the large diaphragm 2 and the small diaphragm 3, and finally, the oil needle 31 on the small diaphragm 3 pushes against the sealing hole of the oil cup body 1 for sealing. Because the space that forms between big diaphragm 2 and the little diaphragm 3 is closed, the air distributes evenly, and the diaphragm body 32 atress of little diaphragm 3 is even when receiving pressure, and the atress is bigger like this, can make oil needle 31 withstand the leakproofness of sealed hole stronger.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The utility model provides a two diaphragm structure oil cups of leak protection oil, includes the oil cup body and sets up diaphragm chamber on the oil cup body, the diaphragm chamber with the junction of oil cup body is provided with sealed hole, the diaphragm chamber is provided with two diaphragm structures, its characterized in that, two diaphragm structures include:
the small diaphragm is arranged in the diaphragm chamber and corresponds to the sealing hole, and the small diaphragm respectively has a sealing position and an opening position relative to the sealing hole;
the sealing partition plate is connected with the outer wall of the diaphragm chamber and positioned on the outer side of the small diaphragm, and a through hole is formed in the sealing partition plate corresponding to the small diaphragm;
the large diaphragm is arranged on one side of the sealing partition plate opposite to the small diaphragm and completely covers the through hole, and the large diaphragm, the sealing partition plate and the small diaphragm jointly enclose a closed space; and
and the diaphragm upper cover is connected with the sealing partition plate and seals the diaphragm chamber into an independent space together with the sealing partition plate, and an air inlet is formed in the diaphragm upper cover.
2. The oil cup with an oil leakage prevention double-diaphragm structure as claimed in claim 1, wherein the small diaphragm comprises a diaphragm body, an oil needle and a connecting piece, the oil needle is mounted on the diaphragm body through the connecting piece, and the diameter of the diaphragm body is matched with the inner diameter of the diaphragm chamber.
3. The oil cup with an oil leakage prevention double-diaphragm structure as claimed in claim 2, wherein the double-diaphragm structure further comprises a return spring mounted on the oil needle.
4. An oil-leakage-preventing double-diaphragm-structure oil cup as claimed in claim 3, wherein the connecting member is a rivet, and the rivet and the return spring are respectively located at two sides of the diaphragm body.
5. An oil cup with an oil leakage preventing double-diaphragm structure as claimed in claim 1, 2, 3 or 4, wherein the center lines of the small diaphragm, the sealing partition, the large diaphragm and the upper cover of the diaphragm are located on the same straight line.
6. The oil cup with an oil leakage prevention double-diaphragm structure as claimed in claim 5, wherein the sealing partition plate and the upper diaphragm cover are respectively provided with a connecting boss, the connecting bosses are respectively provided with a connecting hole, and the connecting hole of the sealing partition plate and the connecting hole of the upper diaphragm cover are correspondingly arranged.
7. An oil-leakage-preventing double-diaphragm structure oil cup according to claim 6, wherein a mounting boss is provided on an outer wall of the diaphragm chamber corresponding to the connection boss.
8. An oil-leakage-preventing double-diaphragm structure oil cup as claimed in claim 7, wherein the diaphragm chamber is formed as a single piece with the oil cup body, and the diaphragm chamber is located at one side of the oil cup body.
9. An oil cup with an oil leakage preventing double-diaphragm structure as claimed in claim 8, wherein the upper diaphragm cover and the sealing diaphragm are mounted on the diaphragm chamber by fixing screws, and the fixing screws are connected to the mounting bosses through the connecting holes of the upper diaphragm cover and the connecting holes of the sealing diaphragm.
10. An oil cup with an oil-leakage-proof double-diaphragm structure as claimed in claim 1, 2, 3 or 4, wherein the axis of the air inlet is perpendicular to the center line of the upper cover of the diaphragm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120327932.2U CN215292687U (en) | 2021-02-04 | 2021-02-04 | Oil leakage-proof oil cup with double-diaphragm structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120327932.2U CN215292687U (en) | 2021-02-04 | 2021-02-04 | Oil leakage-proof oil cup with double-diaphragm structure |
Publications (1)
Publication Number | Publication Date |
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CN215292687U true CN215292687U (en) | 2021-12-24 |
Family
ID=79531382
Family Applications (1)
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CN202120327932.2U Active CN215292687U (en) | 2021-02-04 | 2021-02-04 | Oil leakage-proof oil cup with double-diaphragm structure |
Country Status (1)
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CN (1) | CN215292687U (en) |
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2021
- 2021-02-04 CN CN202120327932.2U patent/CN215292687U/en active Active
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